package com.mybatis.handler;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;

/**
 * @ProjectName: mybatis_plus
 * @Package: com.mybatis.handler
 * @ClassName: MyMetaObjectHandler
 * @author: Arisapoke
 * @date: 2021/1/27 21:08
 * @Version: 1.0
 */
@Slf4j
@Component//一定不要忘记把组件添加到IOC容器中
public class MyMetaObjectHandler implements MetaObjectHandler {
    //插入时的填充策略
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("start insert fill");
        this.setFieldValByName("createTime",new Date(),metaObject);
        this.setFieldValByName("updateTime",new Date(),metaObject);

    }
    //更新时的填充策略
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("start insert fill");
        this.setFieldValByName("updateTime",new Date(),metaObject);

    }
}
